Hypnotism is okay for gaining confidence, losing weight, quitting smoking, and anxiety. The hypnotist must be a licensed professional therapist and not associated with any New Age Religious practices that could be planted in your subconscious mind.
I have a sister who is easily hypnotized. When she was ten, my older cousins hypnotized her. They didn’t believe they had really hypnotized her so they asked her to eat laundry detergent. She started eating it. They thought she was being silly so they told her to go stand in the road and get hit by a car. One of my younger cousins ran to get my aunt. My aunt out of the house to see my sister standing in the middle of the street with a car heading toward her with its brakes locked up trying avoid hitting her. My aunt said she didn’t even flinch. She was like a zombie.
Later, when she was 17, she and a group of her friends went to an amusement park. There was a hypnotist who was doing a show there and they went to see it. The show ended up getting cut short because my sister, who was extremely shy, became hypnotized while sitting in the audience and started doing what he told the people on the stage to do. It freaked out the hypnotist. He brought her out of it after everyone left. He told her that had only happened to him one time before. He said that she should never be hypnotized again, because it could cause permanent mental damage. He said that some people are more suggestable than others. Some people can’t be hypnotized, because they wont allow themselves to be. He said that others can be hypnotized, but they would never do anything they didn’t really want to do. He said then there were people like my sister who should never be hypnotized, because they just leave their mind wide open for anyone to mess with. He said the suggestions made would not have to come from the hypnotist. He said anyone who got close to her in this state could say the wrong thing and totally mess up her mind.
I would personally be afraid to give someone that power over me.
Getting hypnotized at a stage show is wrong. You could be transferring your free will to somebody else.